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TypeScript 4.8 Iteration Plan
See original GitHub issueThis document outlines our focused tasks for TypeScript 4.8. It minimally indicates intent to investigate tasks or contribute to an implementation. Nothing is set in stone, but we will strive to complete these tasks in a reasonable timeframe.
| Date | Event |
|---|---|
| May 24th | TypeScript 4.7 Release |
| June 17th | Create 4.8 Beta (4.8.0) Build for Testing |
| June 21st | TypeScript 4.8 Beta Release |
| August 5th | Create 4.8 RC (4.8.1) Build for Testing |
| August 9th | TypeScript 4.8 RC Release |
| August 19th | Create 4.8 Final (4.8.2) Build for Testing |
| August 23th | TypeScript 4.8 Final Release 🚀 |
Language and Compiler Features
- ECMAScript Decorators
- Improved Inference for
inferTypes in Template String Types - Investigate Contextually Typed And Compatible Operator
- Continue Investing in Type Annotations Proposal
- Investigate
--isolatedDeclarationEmit Mode - Improve Conformance for Arrow Functions in Conditional Expressions
- Investigate Narrowing Generics By Truthiness
- Investigate
--watchIssues on Checkouts lib.d.tsUpdates
Editor Productivity
- Prototype Virtual File System Support in TSServer
- Investigate Cancellation in Browser Contexts
- Prototype Automatic Type Acquisition in Web Contexts
- Provide Walkthroughs in Visual Studio Code Welcome View
- Easy Run/Debug for Loose TypeScript Files
- Investigate TS Server Plugins on the Web
Performance
- Investigate Tooling for JIT Deoptimizations
- Investigate Outstanding Performance Issues
- Enrich TS Server Tracepoint
Infrastructure
- Determining Module Migration and Shipping Strategy
- Fuzzer Improvements and Addressing Crashes
- TSServer Performance Testing Infrastructure
- Expand Perf Suite
Website
Issue Analytics
- State:
- Created a year ago
- Reactions:105
- Comments:30 (12 by maintainers)
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https://github.com/microsoft/TypeScript/issues/10571 (Allow skipping generics) would be highly appreciated
Please consider addressing #37582 and #49083.